/* 
 * Copyright 2001-2009 Terracotta, Inc. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 * use this file except in compliance with the License. You may obtain a copy 
 * of the License at 
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0 
 *   
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
 * License for the specific language governing permissions and limitations 
 * under the License.
 * 
 */

package org.go.work.self;

import java.util.List;

import org.go.Go;
import org.go.GoContext;
import org.go.expcetion.GoException;
import org.go.expcetion.WorkExecutionException;

/**
 * <p>
 * An implementation of Work, that does absolutely nothing - useful for system
 * which only wish to use <code>{@link org.quartz.TriggerListener}s</code>
 * and <code>{@link org.quartz.JobListener}s</code>, rather than writing
 * Jobs that perform work.
 * </p>
 * 
 * @author hejie
 */
public class NoOpWork implements Go {
	/**
	 * 
	 */
	private static final long serialVersionUID = -6736937050315863820L;

	public NoOpWork() {
	}

	/**
	 * <p>
	 * Do nothing.
	 * </p>
	 */
	@Override
	public Boolean doWork(GoContext context) throws WorkExecutionException {
		//Do nothing
		return true;
	}

	@Override
	public List selectWork(String taskParameter, String ownSign, int taskItemNum, List taskItemList, int eachFetchDataNum) throws GoException {
		// TODO Auto-generated method stub
		return null;
	}
}